HyperDbg/hyperdbg/hprdbgctrl/code/common/common.cpp
2022-01-18 22:38:56 +03:30

685 lines
14 KiB
C++

/**
* @file common.cpp
* @author Sina Karvandi (sina@hyperdbg.org)
* @brief HyperDbg general functions for reading and converting and etc
* @details
* @version 0.1
* @date 2020-05-27
*
* @copyright This project is released under the GNU Public License v3.
*
*/
#include "..\hprdbgctrl\pch.h"
/**
* @brief add ` between 64 bit values and convert them to string
*
* @param Value
* @return string
*/
string
SeparateTo64BitValue(UINT64 Value)
{
ostringstream OstringStream;
string Temp;
OstringStream << setw(16) << setfill('0') << hex << Value;
Temp = OstringStream.str();
Temp.insert(8, 1, '`');
return Temp;
}
/**
* @brief print bits and bytes for d* commands
*
* @param size
* @param ptr
* @return VOID
*/
VOID
PrintBits(size_t const size, void const * const ptr)
{
unsigned char * b = (unsigned char *)ptr;
unsigned char byte;
int i, j;
for (i = size - 1; i >= 0; i--)
{
for (j = 7; j >= 0; j--)
{
byte = (b[i] >> j) & 1;
ShowMessages("%u", byte);
}
ShowMessages(" ", byte);
}
}
/**
* @brief general replace all function
*
* @param str
* @param from
* @param to
* @return VOID
*/
BOOL
Replace(std::string & str, const std::string & from, const std::string & to)
{
size_t start_pos = str.find(from);
if (start_pos == std::string::npos)
return FALSE;
str.replace(start_pos, from.length(), to);
return TRUE;
}
/**
* @brief general replace all function
*
* @param str
* @param from
* @param to
* @return VOID
*/
VOID
ReplaceAll(string & str, const string & from, const string & to)
{
size_t SartPos = 0;
if (from.empty())
return;
while ((SartPos = str.find(from, SartPos)) != std::string::npos)
{
str.replace(SartPos, from.length(), to);
//
// In case 'to' contains 'from', like replacing
// 'x' with 'yx'
//
SartPos += to.length();
}
}
/**
* @brief general split command
*
* @param s target string
* @param c splitter (delimiter)
* @return const vector<string>
*/
const vector<string>
Split(const string & s, const char & c)
{
string buff {""};
vector<string> v;
for (auto n : s)
{
if (n != c)
buff += n;
else if (n == c && !buff.empty())
{
v.push_back(buff);
buff.clear();
}
}
if (!buff.empty())
v.push_back(buff);
return v;
}
/**
* @brief check if given string is a numeric string or not
*
* @param str
* @return BOOLEAN
*/
BOOLEAN
IsNumber(const string & str)
{
//
// std::find_first_not_of searches the string for the first character
// that does not match any of the characters specified in its arguments
//
return !str.empty() &&
(str.find_first_not_of("[0123456789]") == std::string::npos);
}
/**
* @brief Function to split string str using given delimiter
*
* @param str
* @param delim
* @return vector<string>
*/
vector<string>
SplitIp(const string & str, char delim)
{
int i = 0;
vector<string> list;
size_t pos;
pos = str.find(delim);
while (pos != string::npos)
{
list.push_back(str.substr(i, pos - i));
i = ++pos;
pos = str.find(delim, pos);
}
list.push_back(str.substr(i, str.length()));
return list;
}
/**
* @brief check whether the string is hex or not
*
* @param s
* @return BOOLEAN
*/
BOOLEAN
IsHexNotation(string s)
{
BOOLEAN IsAnyThing = FALSE;
for (char & c : s)
{
IsAnyThing = TRUE;
if (!isxdigit(c))
{
return FALSE;
}
}
if (IsAnyThing)
{
return TRUE;
}
return FALSE;
}
/**
* @brief converts hex to bytes
*
* @param hex
* @return vector<char>
*/
vector<char>
HexToBytes(const string & hex)
{
vector<char> Bytes;
for (unsigned int i = 0; i < hex.length(); i += 2)
{
std::string byteString = hex.substr(i, 2);
char byte = (char)strtol(byteString.c_str(), NULL, 16);
Bytes.push_back(byte);
}
return Bytes;
}
/**
* @brief check and convert string to a 64 bit unsigned integer and also
* check for special notations like 0x etc.
*
* @param TextToConvert the target string
* @param Result result will be save to the pointer
*
* @return BOOLEAN shows whether the conversion was successful or not
*/
BOOLEAN
ConvertStringToUInt64(string TextToConvert, PUINT64 Result)
{
if (TextToConvert.rfind("0x", 0) == 0 || TextToConvert.rfind("0X", 0) == 0 ||
TextToConvert.rfind("\\x", 0) == 0 ||
TextToConvert.rfind("\\X", 0) == 0)
{
TextToConvert = TextToConvert.erase(0, 2);
}
else if (TextToConvert.rfind('x', 0) == 0 ||
TextToConvert.rfind('X', 0) == 0)
{
TextToConvert = TextToConvert.erase(0, 1);
}
//
// Remove '`' (if any)
//
TextToConvert.erase(remove(TextToConvert.begin(), TextToConvert.end(), '`'),
TextToConvert.end());
if (!IsHexNotation(TextToConvert))
{
return FALSE;
}
const char * Text = TextToConvert.c_str();
errno = 0;
unsigned long long result = strtoull(Text, NULL, 16);
*Result = result;
if (errno == EINVAL)
{
return FALSE;
}
else if (errno == ERANGE)
{
return TRUE;
}
return TRUE;
}
/**
* @brief check and convert string to a 32 bit unsigned it and also
* check for special notations like 0x etc.
* @param TextToConvert the target string
* @param Result result will be save to the pointer
* @return BOOLEAN shows whether the conversion was successful or not
*/
BOOLEAN
ConvertStringToUInt32(string TextToConvert, PUINT32 Result)
{
if (TextToConvert.rfind("0x", 0) == 0 || TextToConvert.rfind("0X", 0) == 0 ||
TextToConvert.rfind("\\x", 0) == 0 ||
TextToConvert.rfind("\\X", 0) == 0)
{
TextToConvert = TextToConvert.erase(0, 2);
}
else if (TextToConvert.rfind('x', 0) == 0 ||
TextToConvert.rfind('X', 0) == 0)
{
TextToConvert = TextToConvert.erase(0, 1);
}
TextToConvert.erase(remove(TextToConvert.begin(), TextToConvert.end(), '`'),
TextToConvert.end());
UINT32 TempResult;
if (!IsHexNotation(TextToConvert))
{
return FALSE;
}
TempResult = stoi(TextToConvert, nullptr, 16);
//
// Apply the results
//
*Result = TempResult;
return TRUE;
}
/**
* @brief checks whether the string ends with a special string or not
*
* @param fullString
* @param ending
* @return BOOLEAN if true then it shows that string ends with another string
* and if false then it shows that this string is not ended with the target
* string
*/
BOOLEAN
HasEnding(string const & fullString, string const & ending)
{
if (fullString.length() >= ending.length())
{
return (0 == fullString.compare(fullString.length() - ending.length(),
ending.length(),
ending));
}
else
{
return FALSE;
}
}
/**
* @brief Function to validate an IP address
*
* @param ip
* @return BOOLEAN
*/
BOOLEAN
ValidateIP(string ip)
{
//
// split the string into tokens
//
vector<string> list = SplitIp(ip, '.');
//
// if token size is not equal to four
//
if (list.size() != 4)
return FALSE;
//
// validate each token
//
for (string str : list)
{
//
// verify that string is number or not and the numbers
// are in the valid range
//
if (!IsNumber(str) || stoi(str) > 255 || stoi(str) < 0)
return FALSE;
}
return TRUE;
}
/**
* @brief Detect whether the VMX is supported or not
*
* @return true if vmx is supported
* @return false if vmx is not supported
*/
BOOLEAN
VmxSupportDetection()
{
//
// Call asm function
//
return AsmVmxSupportDetection();
}
/**
* @brief SetPrivilege enables/disables process token privilege
*
* @param hToken
* @param lpszPrivilege
* @param bEnablePrivilege
* @return BOOL
*/
BOOL
SetPrivilege(HANDLE hToken, // access token handle
LPCTSTR lpszPrivilege, // name of privilege to enable/disable
BOOL bEnablePrivilege // to enable or disable privilege
)
{
TOKEN_PRIVILEGES tp;
LUID luid;
if (!LookupPrivilegeValue(NULL, // lookup privilege on local system
lpszPrivilege, // privilege to lookup
&luid)) // receives LUID of privilege
{
ShowMessages("err, in LookupPrivilegeValue (%x)\n", GetLastError());
return FALSE;
}
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
if (bEnablePrivilege)
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
//
// Enable the privilege or disable all privileges.
//
if (!AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), (PTOKEN_PRIVILEGES)NULL, (PDWORD)NULL))
{
ShowMessages("err, in AdjustTokenPrivileges (%x)\n", GetLastError());
return FALSE;
}
if (GetLastError() == ERROR_NOT_ALL_ASSIGNED)
{
ShowMessages("err, the token does not have the specified privilege (ACCESS DENIED!)\n");
ShowMessages("make sure to run it with administrator privileges\n");
return FALSE;
}
return TRUE;
}
/**
* @brief trim from start of string (in place)
*
* @param s
*/
static inline void
ltrim(std::string & s)
{
s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) { return !std::isspace(ch); }));
}
/**
* @brief trim from the end of string (in place)
*
* @param s
*/
static inline void
rtrim(std::string & s)
{
s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) { return !std::isspace(ch); })
.base(),
s.end());
}
/**
* @brief trim from both ends and start of a string (in place)
*
* @param s
*/
void
Trim(std::string & s)
{
ltrim(s);
rtrim(s);
}
/**
* @brief Remove all the spaces in a string
*
* @param str
*/
std::string
RemoveSpaces(std::string str)
{
str.erase(remove(str.begin(), str.end(), ' '), str.end());
return str;
}
/**
* @brief check if a file exist or not (ASCII)
*
* @param FileName path of file
* @return BOOLEAN shows whether the file exist or not
*/
BOOLEAN
IsFileExistA(const char * FileName)
{
struct stat buffer;
return (stat(FileName, &buffer) == 0);
}
/**
* @brief check if a file exist or not (wide-char)
*
* @param FileName path of file
* @return BOOLEAN shows whether the file exist or not
*/
BOOLEAN
IsFileExistW(const wchar_t * FileName)
{
struct _stat64i32 buffer;
return (_wstat(FileName, &buffer) == 0);
}
/**
* @brief Is empty character
*
* @param Text
*/
BOOLEAN
IsEmptyString(char * Text)
{
size_t Len;
if (Text == NULL || Text[0] == '\0')
{
return TRUE;
}
Len = strlen(Text);
for (size_t i = 0; i < Len; i++)
{
if (Text[i] != ' ' && Text[i] != '\t' && Text[i] != ' \n')
{
return FALSE;
}
}
return TRUE;
}
/**
* @brief Get config path
*
* @param ConfigPath
*/
VOID
GetConfigFilePath(PWCHAR ConfigPath)
{
WCHAR CurrentPath[MAX_PATH] = {0};
//
// Get path file of current exe
//
GetModuleFileNameW(NULL, CurrentPath, MAX_PATH);
//
// Remove exe file name
//
PathRemoveFileSpecW(CurrentPath);
//
// Combine current exe path with config file name
//
PathCombineW(ConfigPath, CurrentPath, CONFIG_FILE_NAME);
}
/**
* @brief Create a list of special files in a directory
*
* @param Directory
* @param Extension
* @return std::vector<std::string>
*/
std::vector<std::string>
ListDirectory(const std::string & Directory, const std::string & Extension)
{
WIN32_FIND_DATAA FindData;
HANDLE Find = INVALID_HANDLE_VALUE;
std::string FullPath = Directory + "\\" + Extension;
std::vector<std::string> DirList;
Find = FindFirstFileA(FullPath.c_str(), &FindData);
if (Find == INVALID_HANDLE_VALUE)
throw std::runtime_error("invalid handle value! please check your path...");
while (FindNextFileA(Find, &FindData) != 0)
{
DirList.push_back(Directory + "\\" + std::string(FindData.cFileName));
}
FindClose(Find);
return DirList;
}
/**
* @brief convert std::string to std::wstring
*
* @param ws
* @param s
* @return VOID
*/
VOID
StringToWString(std::wstring & ws, const std::string & s)
{
std::wstring wsTmp(s.begin(), s.end());
ws = wsTmp;
}
/**
* @brief Split path and arguments and handle strings between quotes
*
* @param Qargs
* @param Command
* @return VOID
*/
VOID
SplitPathAndArgs(std::vector<std::string> & Qargs, std::string Command)
{
int Len = Command.length();
bool Qot = false, Sqot = false;
int ArgLen;
for (int i = 0; i < Len; i++)
{
int start = i;
if (Command[i] == '\"')
{
Qot = true;
}
else if (Command[i] == '\'')
Sqot = true;
if (Qot)
{
i++;
start++;
while (i < Len && Command[i] != '\"')
i++;
if (i < Len)
Qot = false;
ArgLen = i - start;
i++;
}
else if (Sqot)
{
i++;
while (i < Len && Command[i] != '\'')
i++;
if (i < Len)
Sqot = false;
ArgLen = i - start;
i++;
}
else
{
while (i < Len && Command[i] != ' ')
i++;
ArgLen = i - start;
}
string Temp = Command.substr(start, ArgLen);
if (!Temp.empty() && Temp != " ")
{
Qargs.push_back(Temp);
}
}
/*
for (int i = 0; i < Qargs.size(); i++)
{
std::cout << Qargs[i] << std::endl;
}
std::cout << Qargs.size();
if (Qot || Sqot)
std::cout << "One of the quotes is open\n";
*/
}